Baroclinic Instability

Experimenting with purpose-made apparatus

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A current with a steady pattern.


A current that changes periodically.


An irregular current.

Speed:
Outer temp.:
Inner temp.:
6rpm
40.4C
22.0C
Speed:
Outer temp.:
Inner temp.:
12rpm
39.7C
20.7C
Speed:
Outer temp.:
Inner temp.:
20rpm
39.7C
22.0C
Depending on the conditions, irregular currents also occur.

Experimental conditions

Water depth : 2.5 cm

Filming conditions

Speeded up 6 times.
240x180:15fps, 320x180:30fps.